I am not so knowledgable and literary as you, but here I uncover a piece of information that might be pertinent for your puzzle

Cited from oxford dictionary:

In the US Hispanic is the standard accepted term when referring to Spanish-speaking people living in the US. Other, more specific terms such as Latino and Chicano are also used where occasion demands.puzzle.

I don't know. But when I hear the word "hispanic" I immediately picture latinos.

I remember seeing some Latino pride thing weeks ago that made me be more careful with the terms I use while talking with/about Latin people, there's a good summary here:

https://en.wikipedia.org/wiki/Hispanic–Latino_naming_dispute